柯林斯词典activate /ˈæktɪˌveɪt/ (activating,activated,activates) 1. V-T If a device or process is activated, something causes it to start working. 激活[usu passive] Video cameras with night vision can be activated by movement. 有夜视功能的摄像机能被物体的活动激活。 返回 activate剑桥词典to cause something to start 启动，开动；激活 The alarm is activated by the lightest pressure . 最轻微的压力也会触动警报。 chemistry specialized to make a chemical reaction happen more quickly , especially by heating （尤指通过加热）加速…的化学反应 返回 activate